Linux Server Administrator

Core Responsibilities

• Web Servers:

  Apache & Nginx configuration, optimization, troubleshooting

• Application Runtimes:

  PHP, Node.js, Python version & security management

• SSL/TLS:

  Lets Encrypt & commercial certificate management

• Load Balancing:

  HAProxy, Nginx

• Web Security:

  WAF, brute-force protection, security headers

• Performance:

  Caching, compression, connection tuning

FTP & File Services

• vsftpd, ProFTPD, Pure-FTPd, SFTP
  
• User access control, chroot, TLS, logging, automated backups
  

Database Administration

• MySQL, MariaDB, PostgreSQL installation & tuning
  
• Replication, backups, point-in-time recovery
  
• User security, encrypted connections, high availability
  

Technical Skills

• OS:

  RHEL/CentOS, Ubuntu/Debian, Rocky/AlmaLinux

• Stacks:

  LAMP/LEMP, MEAN/MERN

• Monitoring:

  Nagios, Zabbix, Prometheus, Grafana

• Scripting:

  Bash, Python

• Security:

  iptables/firewalld, Fail2ban, CIS hardening, Lynis

Automation & DevOps

• Ansible, Puppet, Chef
  
• Docker, Podman, Docker Compose
  
• CI/CD: Jenkins, GitLab CI
  
• Version Control: Git
  

Operations & DR

• Server monitoring, patching, capacity planning
  
• Incident response & root cause analysis
  
• Backup, disaster recovery testing & documentation
  

Professional Skills

• Strong troubleshooting & analytical skills
  
• Clear documentation & stakeholder communication
  
• Automation-first, security-focused approach
  

Certifications (Preferred)

• RHCSA / RHCE
  
• LFCS / LFCE
  
• CompTIA Linux+
  
• Cloud SysOps (AWS/Azure)
  

Environments

• E-commerce, CMS platforms, web & database hosting

  Role & responsibilities

Preferred candidate profile